RFR: 8364352: Some tests fail when using a limited number of pregenerated .jsa CDS archives

[Thomas Stuefe]

On Tue, 26 Aug 2025 05:39:58 GMT, David Holmes <dholmes at openjdk.org> wrote:

>> we run into this error without the jsa in the zgc case
>> runtime/cds/appcds/loaderConstraints/DynamicLoaderConstraintsTest.java#custom-cl-zgc
>> 
>> 
>> [0.002s][error][cds] Specified shared archive file not found (/jtreg_hotspot_tier2_work/JTwork/scratch/2/appcds-06h49m10s700.jsa)
>> [0.002s][error][cds] Not a valid shared archive file (/jtreg_hotspot_tier2_work/JTwork/scratch/2/appcds-06h49m10s700.jsa)
>> [0.002s][error][cds] CDS is incompatible with other specified options.
>> Error occurred during initialization of VM
>> Unable to use shared archive: invalid archive
>
> But that is not a default archive. ???

The error is strange

[0.002s][error][cds] Specified shared archive file not found (/jtreg_hotspot_tier2_work/JTwork/scratch/2/appcds-06h49m10s700.jsa)

This is not the default archive file it cannot find. This is the generated one, no?

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PR Review Comment: https://git.openjdk.org/jdk/pull/26820#discussion_r2299886791